# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=182

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 183

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## [Join node refuse to join msg](https://discourse.nodered.org/t/join-node-refuse-to-join-msg/80931)

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**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 2\
**Last updated:** [30 August 2023 20:56 UTC](https://discourse.nodered.org/t/join-node-refuse-to-join-msg/80931 "2023-08-30T20:56:31Z")

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What is may mistake? If it helps I can easily sen the export file. Thanks

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## [How to split flow after x payload characters?](https://discourse.nodered.org/t/how-to-split-flow-after-x-payload-characters/80830)

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**Author:** [@AleXSR700](https://discourse.nodered.org/u/AleXSR700)\
**Replies:** 21\
**Last updated:** [30 August 2023 17:06 UTC](https://discourse.nodered.org/t/how-to-split-flow-after-x-payload-characters/80830 "2023-08-30T17:06:18Z")

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Hello everyone, I have the following partial flow (original thread Problems with MQTT flow after Excel import and msg modifications - #8 by E1cid ) where I have an array that can contain a lot of characters. What I wou…

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## [Threema Node: Path to SDK](https://discourse.nodered.org/t/threema-node-path-to-sdk/80913)

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**Author:** [@My\_Millenium](https://discourse.nodered.org/u/My_Millenium)\
**Replies:** 2\
**Last updated:** [30 August 2023 15:20 UTC](https://discourse.nodered.org/t/threema-node-path-to-sdk/80913 "2023-08-30T15:20:34Z")

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Hey, can anyone help me with the Threema-Node? I have Node-Red running in a Docker-Container on a Synology DS918. I have installed the Threema-SDK, I have the public key, the private key, the secret of the API and I h…

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## [Interview failed](https://discourse.nodered.org/t/interview-failed/80915)

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**Author:** [@daak](https://discourse.nodered.org/u/daak)\
**Replies:** 0\
**Last updated:** [30 August 2023 14:54 UTC](https://discourse.nodered.org/t/interview-failed/80915 "2023-08-30T14:54:29Z")

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I created a program to drive 200 air conditioners with z wave but I get this message every time and I can't change the IR code in the remotec nodes.

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## [What is the QoS parameter of the mqtt in node?](https://discourse.nodered.org/t/what-is-the-qos-parameter-of-the-mqtt-in-node/80896)

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**Author:** [@AndreKR](https://discourse.nodered.org/u/AndreKR)\
**Replies:** 5\
**Last updated:** [30 August 2023 07:12 UTC](https://discourse.nodered.org/t/what-is-the-qos-parameter-of-the-mqtt-in-node/80896 "2023-08-30T07:12:49Z")

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I don't understand the meaning of the QoS parameter in the mqtt in node. Is it some kind of filter?

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## [When deploying in any flow Fritz!Box server issue a lot of "Device not ready" msg](https://discourse.nodered.org/t/when-deploying-in-any-flow-fritz-box-server-issue-a-lot-of-device-not-ready-msg/80828)

<div class="topic-metadata">

**Author:** [@AloisBachmeier](https://discourse.nodered.org/u/AloisBachmeier)\
**Replies:** 14\
**Last updated:** [30 August 2023 12:09 UTC](https://discourse.nodered.org/t/when-deploying-in-any-flow-fritz-box-server-issue-a-lot-of-device-not-ready-msg/80828 "2023-08-30T12:09:11Z")

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This happens for may be 5sec then flooding stops and it never comes back .... except I deploy anything again. The rest works fine! Any idea how to get rid of this flodding?

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## [Control current DPM8624 depending on mains supply](https://discourse.nodered.org/t/control-current-dpm8624-depending-on-mains-supply/80905)

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**Author:** [@noah3112](https://discourse.nodered.org/u/noah3112)\
**Replies:** 0\
**Last updated:** [30 August 2023 09:23 UTC](https://discourse.nodered.org/t/control-current-dpm8624-depending-on-mains-supply/80905 "2023-08-30T09:23:17Z")

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Actually a simple task but I do not know how to implement it. Maybe you have some tips for me. I would like to control the current of the DPM824 (0...24A) depending on the mains supply, which should be as close to zero w…

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## [The NR script -help option apparently unsupported](https://discourse.nodered.org/t/the-nr-script-help-option-apparently-unsupported/80890)

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**Author:** [@scargill](https://discourse.nodered.org/u/scargill)\
**Replies:** 2\
**Last updated:** [30 August 2023 08:03 UTC](https://discourse.nodered.org/t/the-nr-script-help-option-apparently-unsupported/80890 "2023-08-30T08:03:12Z")

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To upgrade NR from 2 to 3 to test the MATTER node I used the script. bash \<(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered) Of course it left my nodejs at 14 w…

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## [Dashboard bar chart data node not working, error](https://discourse.nodered.org/t/dashboard-bar-chart-data-node-not-working-error/80898)

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**Author:** [@rmystique](https://discourse.nodered.org/u/rmystique)\
**Replies:** 1\
**Last updated:** [30 August 2023 06:11 UTC](https://discourse.nodered.org/t/dashboard-bar-chart-data-node-not-working-error/80898 "2023-08-30T06:11:05Z")

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I am trying to use this node to display a chart that has my usage data but the chart displays nothing and i get the following message in the debug: "Error: Invalid property expression: unexpected ' ' at position 14" he…

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## [Create a JSON object with dynamic key values](https://discourse.nodered.org/t/create-a-json-object-with-dynamic-key-values/80887)

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**Author:** [@Pooky1306](https://discourse.nodered.org/u/Pooky1306)\
**Replies:** 5\
**Last updated:** [29 August 2023 14:12 UTC](https://discourse.nodered.org/t/create-a-json-object-with-dynamic-key-values/80887 "2023-08-29T14:12:19Z")

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Hi there, I'm stuck on something: I need to write data containing a measurement to an external database which require a specific JSON format which look like this: { "point": { "UNIXTIME1": VALUE1, …

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## [Looking for Node-Red logo](https://discourse.nodered.org/t/looking-for-node-red-logo/80864)

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**Author:** [@HansDC](https://discourse.nodered.org/u/HansDC)\
**Replies:** 2\
**Last updated:** [29 August 2023 06:20 UTC](https://discourse.nodered.org/t/looking-for-node-red-logo/80864 "2023-08-29T06:20:26Z")

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Hello, I'm looking for a large Node-Red logo for printing purposes. Can anyone provide me this ...? Thx !

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## [Entities not sorting in config window](https://discourse.nodered.org/t/entities-not-sorting-in-config-window/80869)

<div class="topic-metadata">

**Author:** [@KaLLeJ](https://discourse.nodered.org/u/KaLLeJ)\
**Replies:** 1\
**Last updated:** [28 August 2023 19:38 UTC](https://discourse.nodered.org/t/entities-not-sorting-in-config-window/80869 "2023-08-28T19:38:50Z")

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Hi everybody, I have a problem with the entities not sorting in the call service config window. The entities keeps adding up to the right which gives me a long list to the right. I attached a screenshot so everybody see…

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## [Plotting Points on a Chart with a Delay](https://discourse.nodered.org/t/plotting-points-on-a-chart-with-a-delay/80842)

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**Author:** [@ranbrant](https://discourse.nodered.org/u/ranbrant)\
**Replies:** 2\
**Last updated:** [28 August 2023 17:23 UTC](https://discourse.nodered.org/t/plotting-points-on-a-chart-with-a-delay/80842 "2023-08-28T17:23:23Z")

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Hi, I'm new to Node-Red and I was hoping I can get some help. I have a random generated array that I coded up using the function block that outputs 5 values. I would like to plot each value from the generated array aft…

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## [Sending DashBoard Chart data as image to E-mail?](https://discourse.nodered.org/t/sending-dashboard-chart-data-as-image-to-e-mail/80834)

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**Author:** [@Soiski](https://discourse.nodered.org/u/Soiski)\
**Replies:** 8\
**Last updated:** [28 August 2023 15:45 UTC](https://discourse.nodered.org/t/sending-dashboard-chart-data-as-image-to-e-mail/80834 "2023-08-28T15:45:02Z")

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Hi, As so many others these days I'm following NordPool energy prices on my Node Red. Reading data, manipulating it to find cheap periods and action based on it I have managed to do. Also sending a simple E-mail stating …

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## [Node-red Server should run a command on a Client PC](https://discourse.nodered.org/t/node-red-server-should-run-a-command-on-a-client-pc/80841)

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**Author:** [@Mannshoch](https://discourse.nodered.org/u/Mannshoch)\
**Replies:** 18\
**Last updated:** [28 August 2023 14:36 UTC](https://discourse.nodered.org/t/node-red-server-should-run-a-command-on-a-client-pc/80841 "2023-08-28T14:36:26Z")

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I have a Node-red server and I need to somehow trigger a command on a Desktop (no node-red, no npm). I would prefer a systemd service that wait for a signal from the server and run a specific command every time it recei…

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## [Installing tensorflow error on windows](https://discourse.nodered.org/t/installing-tensorflow-error-on-windows/80847)

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**Author:** [@mahyash](https://discourse.nodered.org/u/mahyash)\
**Replies:** 11\
**Last updated:** [28 August 2023 13:23 UTC](https://discourse.nodered.org/t/installing-tensorflow-error-on-windows/80847 "2023-08-28T13:23:16Z")

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Hi! I'm new with node-red and I wanted to install tensor flow, using this in cmd: C:\\Users\\mahya\>npm install @tensorflow/tfjs-node But I keep getting this error. I even uninstalled Node.js and ticked the box to install…

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## [List of all active devices](https://discourse.nodered.org/t/list-of-all-active-devices/80855)

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**Author:** [@khfischbach](https://discourse.nodered.org/u/khfischbach)\
**Replies:** 4\
**Last updated:** [28 August 2023 13:22 UTC](https://discourse.nodered.org/t/list-of-all-active-devices/80855 "2023-08-28T13:22:33Z")

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Hi, how can I get a list of all active devices from my FB? I have seen "payload\["NewX\_AVM-DE\_HostListPath"\]" and also got such a HostListPath. But a) I am not sure this the right approach b) I don't know what to do …

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## [Cronplus - Last Day of Month](https://discourse.nodered.org/t/cronplus-last-day-of-month/80859)

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**Author:** [@eddee54455](https://discourse.nodered.org/u/eddee54455)\
**Replies:** 4\
**Last updated:** [28 August 2023 13:17 UTC](https://discourse.nodered.org/t/cronplus-last-day-of-month/80859 "2023-08-28T13:17:14Z")

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Hi Guys, I am trying to use cronplus to send a "reset" command on the last day of every month at 23h59.30 ,,, I just cant seem to get the syntax right for the day of month considering it could be 28/29/30 or 31... Any …

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## [RangeError: Maximum call stack size exceeded](https://discourse.nodered.org/t/rangeerror-maximum-call-stack-size-exceeded/80751)

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**Author:** [@davut](https://discourse.nodered.org/u/davut)\
**Replies:** 12\
**Last updated:** [28 August 2023 12:48 UTC](https://discourse.nodered.org/t/rangeerror-maximum-call-stack-size-exceeded/80751 "2023-08-28T12:48:36Z")

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Hello, How can I fix this? RangeError: Maximum call stack size exceeded at ClientSessionImpl.isChannelValid (C:\\Users\\MEPP\_IBA\\node\_modules\\node-red-contrib-iiot-opcua\\node\_modules\\node-opcua-client\\source\\private\\cli…

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## [Node-red-contrib-tuya-smart-device : can't connect to a battery powered sensor TH08](https://discourse.nodered.org/t/node-red-contrib-tuya-smart-device-cant-connect-to-a-battery-powered-sensor-th08/80288)

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**Author:** [@SuperNinja](https://discourse.nodered.org/u/SuperNinja)\
**Replies:** 6\
**Last updated:** [28 August 2023 08:44 UTC](https://discourse.nodered.org/t/node-red-contrib-tuya-smart-device-cant-connect-to-a-battery-powered-sensor-th08/80288 "2023-08-28T08:44:27Z")

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I have connected sockets, a ceiling fan, all work well with this node because they are constantly powered. I bought a TH08 battery-powered thermometer/hygrometer, which works well with the TUYA app on a smartphone : mea…

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## [Siemens S7 out node](https://discourse.nodered.org/t/siemens-s7-out-node/80851)

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**Author:** [@TROJAN053](https://discourse.nodered.org/u/TROJAN053)\
**Replies:** 0\
**Last updated:** [28 August 2023 08:13 UTC](https://discourse.nodered.org/t/siemens-s7-out-node/80851 "2023-08-28T08:13:34Z")

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HI all, I am have been using S7 out node to pass data to my PLC Tags. I want to send data in the array in one go but it doesn't takes and showing error as 'Data for item of type 'INT' must be a number'. In the details …

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## [Node-RED 3.x and Strict Mode JS](https://discourse.nodered.org/t/node-red-3-x-and-strict-mode-js/80786)

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**Author:** [@Marcom](https://discourse.nodered.org/u/Marcom)\
**Replies:** 22\
**Last updated:** [28 August 2023 05:55 UTC](https://discourse.nodered.org/t/node-red-3-x-and-strict-mode-js/80786 "2023-08-28T05:55:15Z")

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Hi All, I did an upgrade from version 1 to version 3 and I found that (if I understood correctly) now Node use the strict mode to evaluate the code. Ok fine, I have to refactor some of my code due to stupid stuff like v…

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## [Multiple topics to one influxdb mesurement](https://discourse.nodered.org/t/multiple-topics-to-one-influxdb-mesurement/80797)

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**Author:** [@speerwerfer](https://discourse.nodered.org/u/speerwerfer)\
**Replies:** 12\
**Last updated:** [27 August 2023 19:13 UTC](https://discourse.nodered.org/t/multiple-topics-to-one-influxdb-mesurement/80797 "2023-08-27T19:13:56Z")

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Hello, i use a mqtt node to receive multiple topics (pv-inverter/#) from an mqqt brocker (sensor data from microconverter). pv-inverter/ (14 topics) pv-inverter/HM800/ (6 Topics) pv-inverter/HM800/ch1 (7 Topics) pv-…

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## [Again get data from a payload](https://discourse.nodered.org/t/again-get-data-from-a-payload/80800)

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**Author:** [@einfach112](https://discourse.nodered.org/u/einfach112)\
**Replies:** 30\
**Last updated:** [27 August 2023 16:46 UTC](https://discourse.nodered.org/t/again-get-data-from-a-payload/80800 "2023-08-27T16:46:48Z")

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Hi, i have again a problem to get data into a VAR..... i copy the follow path in the debug area: payload.result\["2023-08-26"\] But i get a error in my function. "TYPE ERROR" And the second problem is: on next day th…

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## [OPC UA Compact Server , how to create int variable for node](https://discourse.nodered.org/t/opc-ua-compact-server-how-to-create-int-variable-for-node/80734)

<div class="topic-metadata">

**Author:** [@DarylLee1601](https://discourse.nodered.org/u/DarylLee1601)\
**Replies:** 1\
**Last updated:** [27 August 2023 08:27 UTC](https://discourse.nodered.org/t/opc-ua-compact-server-how-to-create-int-variable-for-node/80734 "2023-08-27T08:27:41Z")

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I am creating a OPC UA node for OPC UA Compact Server From the example, i able to use the string or double. but unfortunely my new project request me to use a int32, how can i create a node in int32? const m20230703 =…

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## [I cannot start node-red](https://discourse.nodered.org/t/i-cannot-start-node-red/80833)

<div class="topic-metadata">

**Author:** [@nick10540](https://discourse.nodered.org/u/nick10540)\
**Replies:** 3\
**Last updated:** [27 August 2023 08:24 UTC](https://discourse.nodered.org/t/i-cannot-start-node-red/80833 "2023-08-27T08:24:41Z")

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This node run in raspberry pi 3 .And auto run when pi power on It's was work before after 3-4 month ago,Then this problem is occur.

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## [Vehicle position detection using picture](https://discourse.nodered.org/t/vehicle-position-detection-using-picture/80441)

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**Author:** [@jttjtt](https://discourse.nodered.org/u/jttjtt)\
**Replies:** 15\
**Last updated:** [27 August 2023 08:24 UTC](https://discourse.nodered.org/t/vehicle-position-detection-using-picture/80441 "2023-08-27T08:24:34Z")

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Hello i am wondering, if there is some module in node red how can I check the vehicle position using a picture. So the process will be, that I have a picture of a vehicle for example from parking lot and i need to check,…

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## [Multiple MQTT topics or single with switch?](https://discourse.nodered.org/t/multiple-mqtt-topics-or-single-with-switch/80817)

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**Author:** [@andre\_x](https://discourse.nodered.org/u/andre_x)\
**Replies:** 3\
**Last updated:** [26 August 2023 23:26 UTC](https://discourse.nodered.org/t/multiple-mqtt-topics-or-single-with-switch/80817 "2023-08-26T23:26:52Z")

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Hi all! For efficiency is it better to have a single MQTT input node that receives all the topics and then add a switch to divide the topics or is it better to have multiple MQTT input node one for every topic? Thanks! …

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## [Create node red array with equal values](https://discourse.nodered.org/t/create-node-red-array-with-equal-values/80829)

<div class="topic-metadata">

**Author:** [@madmax](https://discourse.nodered.org/u/madmax)\
**Replies:** 4\
**Last updated:** [26 August 2023 18:50 UTC](https://discourse.nodered.org/t/create-node-red-array-with-equal-values/80829 "2023-08-26T18:50:31Z")

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Hello! Is it possible to put all values where the topic is the same in an array. I have a list where there are several dates and they all have to be put together where the topic is the same to make them into an array. …

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## [How to use node red to pass value from tasmota to openDTU](https://discourse.nodered.org/t/how-to-use-node-red-to-pass-value-from-tasmota-to-opendtu/80759)

<div class="topic-metadata">

**Author:** [@Eddy-Fischer](https://discourse.nodered.org/u/Eddy-Fischer)\
**Replies:** 30\
**Last updated:** [26 August 2023 18:04 UTC](https://discourse.nodered.org/t/how-to-use-node-red-to-pass-value-from-tasmota-to-opendtu/80759 "2023-08-26T18:04:14Z")

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Hi all, I am a complete beginner in Node Red. My goal is to read one object from the smartmeter using tosmota (with a specific topic) and send it to OpenDTU to overwrite a specific topic value. Tomosta-\>MQTT Pubish-\>Mos…

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